The four-dimensional covariant form of the conservation law of angular momentum of the electromagnetic field is derived and its physical significance is discussed,the form is a four-dimensional second-order tensor equation with six non-zero independent components,three of which give the conservation law of angular momentum of the electromagnetic field,and the other three give both the energy and momentum conservation laws of the electromagnetic field.
关键词
电磁场/角动量守恒律/四维协变形式/相对论
Key words
electromagnetic field/conservation law of angular momentum/four-dimensional covariant form/theory of relativity
维普
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